Changes between Version 51 and Version 52 of HashSourceCodes


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Timestamp:
Apr 11, 2014, 6:43:06 AM (11 years ago)
Author:
os
Comment:

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  • HashSourceCodes

    v51 v52  
    11[[PageOutline(2, Programming Languages)]]
     2OpenSubtitles.org is using special hash function to match subtitle files against movie files. Hash is not dependent on file name of movie file. Read about basics of [http://en.wikipedia.org/wiki/Hash_function hashing functions].
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    24Hash code is based on [http://sourceforge.net/projects/guliverkli/ Media Player Classic]. In natural language it calculates: size + 64bit chksum of the first and last 64k (even if they overlap because the file is smaller than 128k). On opensubtitles.org is movie file size limited to '''9000000000 > $moviebytesize > 131072 bytes''', if is there any reason to change these sizes, let us know. Licence of [http://guliverkli.svn.sourceforge.net/viewvc/guliverkli/ hashing source codes] is [http://sourceforge.net/projects/guliverkli/ GPL]. Source codes was tested on Little Endian - DEC, Intel and compatible
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